1. Put a whopee cushion on Delores Umbridge's seat. When she asks anda why it's there, respond with, "The dark lord is back. Watch yourself." And than walk away.
2. Blare loud muggle rap Muzik from your office and scream "Oh yeah, baby!" And "Whoa yeah!" At Rawak times.
3. Install lighting in the Department of Mysteries and call it the "Department of Lighting."
4. Scream in the hall, "Bellatrix! Why have anda left me?" And than ask the nearest person if they would like to sertai anda for a butterbeer after work.
5. Tell everyone that anda have a secret. When they ask anda what it is, say "Meet me at Hogwarts." When they ask why, simply stand there until another person comes sejak and ask them if they want a free broomstick.
6. Walk up to an employee and ask "Where did fudge go?" When they say he left the ministry, scream in there faces that he didn't leave.

Well, that's all I've got. Thanks for reading.